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ZZ3F07058
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12-804 Low Fuel Pressure Adjustable Regulator Gauge for Holley Carbureted Carb
$77.09
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$77.09
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Compatible Models
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Compatible equipment / model
12-804 Low Fuel Pressure Adjustable Regulator Gauge for Holley Carbureted Carb
This 12-804 low fuel pressure adjustable regulator gauge for Holley carbureted carb manages fuel flow to your carburetor with precise adjustability and a built-in gauge for monitoring. It delivers consistent pressure to optimize idle and wide-open throttle response in carbureted engines.
Overview
The 12-804 low fuel pressure adjustable regulator gauge for Holley carbureted carb is a mechanical fuel pressure regulator designed to control fuel delivery to carbureted engines. It features a gauge for at-a-glance pressure readings and a knob for fine adjustments. This regulator for Holley carbureted carb systems is ideal for racers and tuners needing precise fuel control.
Built For Performance
- Adjustable fuel pressure range from 1 to 8 psi
- Built-in pressure gauge for accurate monitoring
- Die-cast zinc body for corrosion resistance
- Large adjustment knob for easy tuning
- OEM cross-reference number 12-804
Fits These Machines
- for Holley carbureted engines
On-The-Job Use
- Used in drag racing and street performance applications
- Common on classic cars with Holley carburetors
- Ideal for dyno tuning and fuel pressure calibration
Specs At A Glance
| Part Number(s) | 12-804 |
| Type | Low pressure adjustable regulator |
| Pressure Range | 1-8 psi |
| Material | Die-cast zinc |
Good To Know
Q: Can I use this regulator with a return-style fuel system? A: Yes, it works with return-style systems, though it is most commonly used in dead-end systems for carbureted setups.
Q: How do I set the correct pressure? A: Turn the adjustment knob while watching the gauge, and lock in the desired psi for your carburetor's needs.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.